noun🔗Share空洞, 穴A hole or hollow depression."The dentist found two small cavities in my back teeth. "歯医者は私の奥歯に2つの小さな空洞を見つけました。medicineanatomydiseasebodyChat with AIVocabulary GamePractice Reading
noun🔗Share空洞, 腔A hollow area within the body (such as the sinuses).""When Sarah had a cold, her nasal cavities felt blocked and made it hard to breathe." "サラが風邪をひいたとき、鼻腔が詰まって呼吸が苦しく感じました。anatomymedicinebodyorganChat with AIVocabulary GamePractice Reading
noun🔗Share虫歯, むし歯の穴A small or large hole in a tooth caused by caries; often also a soft area adjacent to the hole also affected by caries."The dentist told Maria she had two cavities and needed fillings. "歯医者はマリアに虫歯が2つあり、詰め物が必要だと言いました。medicinebodydiseaseanatomyChat with AIVocabulary GamePractice Reading
